Curated OER
Add or Subtract
In this problem solving worksheet, students solve 3 story problems in which a situation is described that will require addition or subtraction. Students write the correct number sentence, then solve.
Curated OER
Adding and Subtracting Integers
Seventh graders review the concept of integers and how to combine them. They use the number line in different situations for the visual needed to see how adding can be done. Then students practice with numerical expressions.
Curated OER
Place Values - Subtracting
Students explore the concept of subtracting a number from a place value. In this subtracting from a place value lesson, students subtract numbers from a particular place value.
Curated OER
Math Review
In this math review worksheet, students complete 40 assorted problems pertaining to counting money (in English pence), addition and subtraction, divisibility, and milometer (odometer) word problems.
Curated OER
Kid Zone Tree Math 1
What a fun and different way to practice subtraction! Your class must complete this number tree by subtracting two numbers at a time, in order to find the next numbers to subtract. The last number is provided for students to use as a...
Curated OER
Subtraction-- Fill in the Gaps 4
In this math activity, students find the missing numbers in 90 subtraction problems with 2 or 3 digits. The differences are provided but there are missing numbers in each problem. No strategies or examples are given.
Curated OER
Modeling Basic Operations
Eighth graders engage in a lesson that investigates basic mathematical operations using a number line. They use props for hands on activities of visualizing the solution to a particular problem.
University of South Florida
Fcat: Human Number Line: Teacher Notes
This activity allows students to physically create a number line and work on adding and subtracting integers. This lesson can be adapted to include other concepts with real numbers.
Utah State University
Teacher Link Printable Teacher Aids
A huge collection of worksheets for addition, subtraction, multiplication, division, and handwriting practice all on PDF files ready for you to download and print for your students.
TVOntario
Tvo Kids: Tumbletown Mathletics Game
Practice fractions, counting money, understanding spatial relationships, perimeter measurement, and basic arithmetic calculations such as adding, subtracting, simple multiplying and dividing while earning points in this fast-paced game.
PBS
Pbs Kids Afterschool Adventure!: Operation: Rainbow Math Activity Plan
Red apples, orange candles, yellow stars, green frogs, and blue, indigo, and violet flowers-they all add up to Rainbow Math fun! During this adventure children learn the colors of the rainbow as they practice counting, adding and...
National Council of Teachers of Mathematics
Nctm: Illuminations: Grouping and Grazing
A game that reviews grouping in fives and tens, and adding and subtracting. The instuctions are clear and include a video of how to play.
AAA Math
Aaa Math: Subtraction
Learners practice subtraction facts using objects. Subtraction facts and an example are included.
Scholastic
Scholastic: Max's Math Adventures: Subtraction Square Dance
This site has a square dance rhyme with some fun subtraction practice. Teachers will appreciate the activity page, the extra challenges, and the teacher's guide for easy lesson planning.
Math Is Fun
Math Is Fun: Definition of Abacus
You can use an abacus to count, add, subtract, multiply and more. Try this interactive abacus and see if you can make the numbers. Choose "here's more" for some clues. Good luck!
ReadWriteThink
Read Write Think: Draw a Math Story From the Concrete to the Symbolic
Contains plans for four cross-curricular lessons that ask young scholars to write simple addition and subtraction stories after reading a number of models. In addition to objectives and standards, this instructional plan contains links...
Discovery Education
Discovery Education: Web Math: Add and Subtract Polynomials
Perform and see examples of adding and subtracting polynomials on the WebMath "Solver."
Discovery Education
Discovery Education: Web Math: K 8 Math
This WebMath site shows how to add, subtract, multiply and divide through a step by step examples. The user simple selects the operation and types in two numbers, and the computer solves the problem through a step by step process. Also...
ABCya
Ab Cya: Balloon Pop Subtraction
The learning game review subtraction facts. Players pop balloons to solve the subtraction problems.
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: The Meaning of Subtraction, and Mental Calculation
This website explains and defines basic subtraction. There are practice problems at the very end of this lesson.
Discovery Education
Discovery Education: Web Math: How to Subtract Two Numbers
WebMath offers a good practice site for basic subtraction. Children can type in the problem and an answer is given with explanation. A good site to check homework problems.
Fun Brain
Fun Brain: Math Baseball
Subtraction with numbers less than five is investigated in this math resource. Players answer subtraction problems to score runs.
CK-12 Foundation
Ck 12: Elem Math: Differences of Whole Numbers to 1000 (Grade 4)
[Free Registration/Login may be required to access all resource tools.] This learning module features five videos and a set of practice questions in which students subtract numbers with up to 3 digits to find the difference.
Khan Academy
Khan Academy: Subtraction Within 1000
In this exercise, students practice subtraction within 1000. Students receive immediate feedback and have the opportunity to get hints, watch video tutorials, and try questions repeatedly. CCSS.Math.Content.3.NBT.A.2 Fluently add and...